@misc{indiciae07671b8f33fd,
  title = {Thermal-pulse flowmeter for measuring slow water velocities in boreholes},
  author = {A.E. Hess},
  year = {1990},
  doi = {10.3133/ofr87121},
  url = {https://pubs.usgs.gov/publication/ofr87121},
  note = {Source identifier: ofr87121}
}